Auth bypass in Hide Thread Content Project
CVE-2021-3337
The Hide-Thread-Content plugin through 2021-01-27 for MyBB allows remote attackers to bypass intended content-reading restrictions by clicking on reply or quote in the postbit.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.115 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.115 · newest: 0.115 · change: 0.000
Affected products
- Hide Thread Content Project — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/snlbaral/Hide-Thread-Content/issues/1 (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/161185/MyBB-Hide-Thread-Content-1.0-Information-D… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3337?
- CVE-2021-3337 is a high-severity vulnerability in Hide Thread Content Project, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2021-01-28.
- How severe is CVE-2021-3337?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-3337 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.